Hook



FIG. 1 is a front isometric view of the hook;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right front view thereof;

FIG. 6 is a bottom side view thereof; and,

FIG. 7 is a top side view thereof.

The broken lines shown in FIGS. 2 and 3 represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design of a hook, as shown and described. 